noun
shyster; unscrupulous lawyer; pettifogger
Derogatory term for a lawyer who uses dishonest or petty tactics. Often used in historical or literary contexts.
あの弁護士はまるで三百代言だ。
That lawyer is nothing but a shyster.
noun
sophist; casuist
Rare extended use for someone who uses clever but misleading arguments, not limited to legal contexts.
彼の議論は三百代言のような詭弁に過ぎない。
His argument is nothing more than sophistry like that of a casuist.